4s.io
4shared - armazenamento e compartilhamento de arquivos grátis
Last scanned Jul 26, 2026, 5:17 AM · 1 view
Overall score
Great
Summary
Online file sharing and storage - 15 GB free web space. This website uses Google Analytics hosted on WZ-US-40824 - Webzilla Inc., US. SEO is good (75/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance good (85/100). Top issue: Title longer than 60 characters.
Online file sharing and storage - 15 GB free web space. Easy registration. File upload progressor. Multiple file transfer. Fast download.
- United States
- Hosted on WZ-US-40824 - Webzilla Inc., US
Top issues to fix
9 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
1 cookie without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
+3 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
553 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Online file sharing and storage - 15 GB free web space. Easy registration. File upload progressor. Multiple file transfer. Fast download.
Contact
Email, phone, and address published on this site's own pages.
- your.name@email.com
Meta tags
- Title
- 4shared - armazenamento e compartilhamento de arquivos grátis
- Description
- Online file sharing and storage - 15 GB free web space. Easy registration. File upload progressor. Multiple file transfer. Fast download.
- Canonical
- Language
- pt-BR
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0, interactive-widget=resizes-content
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- WZ-US-40824 - Webzilla Inc., US
- CDN provider
- —
- IP address
- 199.101.134.237
- ASN
- AS40824 (WZ-US-40824 - Webzilla Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.2
- Issuer
- DigiCert Inc
- Subject
- www.4s.io
- Valid from
- Aug 12, 2025
- Valid to
- Sep 12, 2026
- Days until expiry
- 48
- SAN domains
- www.4s.io, 4s.io
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 1 cookie(s) observed
Content & assets
Headings
H1 2 · H2 0 · H3 2
Links
27 internal · 24 external · 0 broken
Images
0 total · 0 missing alt
Scripts / Styles
44 scripts · 8 stylesheets
JS / CSS size
1.1 MB · 112 KB
Page size
43.9 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 1
- sitemap.xml
- Found
- URLs in sitemap
- -1
SEO issues
- Title longer than 60 characters
- Missing canonical link
- Multiple H1 headings found
- No structured data (JSON-LD) found
Accessibility issues
No accessibility issues detected.
Careers
This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.
Scan details
- Requested URL
- https://4s.io
- Final URL
- https://www.4s.io
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 553 ms
- HTML size
- 43.9 KB
- Redirect chain
- https://4s.io → https://www.4s.io
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does 4s.io use?
- 4s.io is built with jQuery, Google Analytics.
- Is 4s.io secure (HTTPS)?
- Yes. 4s.io uses TLS 1.2 with a certificate issued by DigiCert Inc, valid until Sep 12, 2026.
- Who hosts 4s.io?
- 4s.io is hosted on WZ-US-40824 - Webzilla Inc., US.
- What is 4s.io's SEO score?
- 4s.io scored 75/100 for SEO in the latest analysis (fair).
- What is 4s.io's overall website score?
- 4s.io has an overall SiteGraph score of 80/100, combining SEO, performance, security, and accessibility.
- Is 4s.io hiring?
- 4s.io has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card